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classic prodgroup Engine - Bottom End

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    Crank Pin Nut and Lock Kit 1929 / 1931 DL 1932 / 1936 WL 1937 / 1952 WL 1937 / 1973 G

    V-TWIN MANUFACTURING
    Out of stock

    Includes 2 nuts 2 locks and mount screws. Nuts and locks are also available separatelyFITMENT 1929 / 1931 DL 1932 / 1936 WL 1937 / 1952 WL 193...

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    $31.73
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    Crank Pin Nut and Lock Kit 1937 / 1952 WL 1937 / 1973 G

    V-TWIN MANUFACTURING
    In stock

    Includes 2 nuts 2 locks and mount screws. Nuts and locks are also available separatelyFITMENT 1937 / 1952 WL 1937 / 1973 G ACCESSORY ITEMS16-05...

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  • $28.89 - $28.89
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    Right Side Case Roller Bearing Set .0004 1937 / 1948 UL 1940 / 1954 FL

    V-TWIN MANUFACTURING
    In stock

    Torrington .0004 roller bearings is a 12 piece set for the right side crank case and measure .2504 x .600. FITMENT 1937 / 1948 UL 1940 / 1954 FL ...

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    $25.33
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    $23.40
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    Right Side Case Roller Bearing Set .0002 1937 / 1948 UL 1940 / 1954 FL

    V-TWIN MANUFACTURING
    In stock

    Torrington .0002 roller bearings is a 12 piece set for the right side crank case. FITMENT 1937 / 1948 UL 1940 / 1954 FL MEASURMENTSOuter Diamete...

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    $23.40
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  • $28.91 - $28.91
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    Right Side Case Roller Bearing Set Standard 1937 / 1948 UL 1940 / 1952 EL 1941 / 1954 FL early 19541957 / 1965 XL 1940 / ES4 FL

    V-TWIN MANUFACTURING
    In stock

    Torrington standard roller bearings is a 12 piece set for the right side crank case and measure .2500 x .600. Set of 12.FITMENT 1937 / 1948 UL 194...

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  • $719.74 - $719.74
    $719.74
    $852.62
    $852.62 - $852.62
    $852.62

    UL Connecting Rod Set 1937 / 1948 UL 74"1937 / 1941 ULH 80"

    V-TWIN MANUFACTURING
    In stock

    Connecting rod set includes new rods crank pin nuts cages and standard rollers fitted and assembled. Piston pin bushings are installed and honed...

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    $852.62
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    $852.62
  • $220.93 - $220.93
    $220.93
    $284.77
    $284.77 - $284.77
    $284.77

    Jims Pinion Right Side Case Race .005 1940 / 1948 UL 74 and 80""

    V-TWIN MANUFACTURING
    In stock

    .005 right side case race is machined and ground to factory specifications. FITMENT 1940 / 1948 UL 74 and 80""ACCESSORY ITEMS16-185216-583216-5833

    $220.93 - $220.93
    $220.93
    $284.77
    $284.77 - $284.77
    $284.77
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    $165.29 - $165.29
    $165.29
    $174.94
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    $174.94

    Right Side Case Race Standard 1939 / 1952 WL 1939 / 1973 G

    V-TWIN MANUFACTURING
    Out of stock

    Standard right side case race is machined and ground to factory specifications. Race has an outer diameter of 1.753 . FITMENT 1939 / 1952 WL 193...

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    $174.94
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    $174.94
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  • $165.50 - $165.50
    $165.50
    $175.16
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    $175.16

    Jims Pinion Right Side Case Race Standard 1940 / 1948 UL 74 and 80""

    V-TWIN MANUFACTURING
    In stock

    Standard right side case race is machined and ground to factory specifications. Race has an outer diameter of 2.0015 . FITMENT 1940 / 1948 UL 74 ...

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    $165.50 - $165.50
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    $175.16
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    $175.16
  • $154.19 - $154.19
    $154.19
    $163.19
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    $163.19

    Right Side Case Race .005 1939 / 1952 WL 1939 / 1973 G

    V-TWIN MANUFACTURING
    Low stock

    .005 oversize right side case race is machined and ground to factory specifications. FITMENT 1939 / 1952 WL 1939 / 1973 G ACCESSORY ITEMS16-0529...

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    $154.19 - $154.19
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    $163.19
    $163.19 - $163.19
    $163.19
  • $163.86 - $163.86
    $163.86
    $173.42
    $173.42 - $173.42
    $173.42

    Standard Case Race Left Side 1939 / 1952 WL 1939 / 1973 G

    V-TWIN MANUFACTURING
    In stock

    Left side case race is machined and ground to factory specifications. Race has an outer diameter of 1.753 . FITMENT 1939 / 1952 WL 1939 / 1973 G ...

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    $163.86 - $163.86
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    $173.42
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    $173.42
  • $77.49 - $77.49
    $77.49
    $79.78
    $79.78 - $79.78
    $79.78

    Pinion Right Side Case Race Standard 1940 / 1948 UL 74 and 80""

    V-TWIN MANUFACTURING
    In stock

    Machined and ground to factory specifications. FITMENT 1940 / 1948 UL 74 and 80""ACCESSORY ITEMS16-185216-583216-5833

    $77.49 - $77.49
    $77.49
    $79.78
    $79.78 - $79.78
    $79.78
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    $65.18
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    $63.35
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    $63.35

    Left Side Case Race Left Side .002 1939 / 1952 WL 1939 / 1973 G

    V-TWIN MANUFACTURING
    In stock

    Machined and ground to factory specifications. FITMENT 1939 / 1952 WL 1939 / 1973 G ACCESSORY ITEMS16-052941-016841-0151

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    $65.18
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    $63.35

    Left Side Case Race Standard 1939 / 1952 WL 1939 / 1973 G

    V-TWIN MANUFACTURING
    In stock

    Machined and ground to factory specifications. FITMENT 1939 / 1952 WL 1939 / 1973 G ACCESSORY ITEMS10-023810-069310-0218

    $65.18
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    $63.35
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    $63.35
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    $66.55
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    $66.55
    $64.68
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    $64.68

    Pinion Right Side Case Race .005 1939 / 1952 WL 1939 / 1973 G

    V-TWIN MANUFACTURING
    In stock

    Machined and ground to factory specifications. .005 oversize . FITMENT 1939 / 1952 WL 1939 / 1973 G ACCESSORY ITEMS16-052941-016841-0151

    $66.55
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    $66.55
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    $74.92
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    $74.92
    $71.20
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    $71.20

    Right Side Case Race Standard 1939 / 1952 WL 1939 / 1973 G

    V-TWIN MANUFACTURING
    In stock

    Machined and ground to factory specifications. FITMENT 1939 / 1952 WL 1939 / 1973 G ACCESSORY ITEMS10-025510-145210-0693

    $74.92
    $74.92 - $74.92
    $74.92
    $71.20
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    $71.20
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  • $195.00 - $195.00
    $195.00
    $196.07
    $196.07 - $196.07
    $196.07

    Connecting Rod Race Set 1930 / 1937 VL

    V-TWIN MANUFACTURING
    In stock

    Race set is made from 52100 steel and hardened. Set is a 3 piece set. FITMENT 1930 / 1937 VL ACCESSORY ITEMS16-052941-016841-0151

    $195.00 - $195.00
    $195.00
    $196.07
    $196.07 - $196.07
    $196.07
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    $63.97
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    $62.17
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    $62.17

    Connecting Rod Race Set 1929 / 1931 DL 45"1932 / 1936 WL 45"1937 / 1952 WL 45"1937 / 1954 G 45"

    V-TWIN MANUFACTURING
    In stock

    Sets are made from 52100 steel and hardened. Set of three.FITMENT 1929 / 1931 DL 45"1932 / 1936 WL 45"1937 / 1952 WL 45"1937 / 1954 G 45"ACCESSORY ...

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    $49.88
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    $49.88
    $31.19
    $31.19 - $31.19
    $31.19

    2-Hole Sifton Crank Pin 1933 / 1973 G 1929 / 1952 W

    V-TWIN MANUFACTURING
    In stock

    Sifton 2-hole crank pin is made of 8620 steel with a heat treatment depth of .062 . You must align oil feed in flywheels with crank pin. OEM uses t...

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  • Sold out
    $754.69 - $754.69
    $754.69
    $938.53
    $938.53 - $938.53
    $938.53

    WLDR Cam and Tappet Kit 1936 / 1952 WLDR

    V-TWIN MANUFACTURING
    Out of stock

    Includes 4 piece cam set and 4 lightning tappets with screws. FITMENT 1936 / 1952 WLDR ACCESSORY ITEMS10-194710-194610-1804REPLACEMENT PARTS10-0543

    $754.69 - $754.69
    $754.69
    $938.53
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  • Sold out
    $280.53 - $280.53
    $280.53
    $324.43
    $324.43 - $324.43
    $324.43

    WR Lifter Set 1941 / 1973 WR

    V-TWIN MANUFACTURING
    Out of stock

    WR Lifter set is the competition shoe type lifter. FITMENT 1941 / 1973 WR

    $280.53 - $280.53
    $280.53
    $324.43
    $324.43 - $324.43
    $324.43
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  • Sold out
    $234.11 - $234.11
    $234.11
    $263.67
    $263.67 - $263.67
    $263.67

    UL Rear Rod Only 1937 / 1948 U 1937 / 1948 UL

    V-TWIN MANUFACTURING
    Out of stock

    UL rear male connecting rod with bushing and race. FITMENT 1937 / 1948 U 1937 / 1948 UL ACCESSORY ITEMS10-026516-0529

    $234.11 - $234.11
    $234.11
    $263.67
    $263.67 - $263.67
    $263.67
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  • Sold out
    $128.47 - $128.47
    $128.47
    $150.24
    $150.24 - $150.24
    $150.24

    45 WR Tappet Block Set 1937 / 1952 WL

    V-TWIN MANUFACTURING
    Out of stock

    WR Tappet block set is the flat style type for WR racing applications. This is a 4 piece set. For use with WR cam set. *NOTE: Hardened and fine gro...

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    $128.47 - $128.47
    $128.47
    $150.24
    $150.24 - $150.24
    $150.24
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  • Sold out
    $199.91 - $199.91
    $199.91
    $201.00
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    $201.00

    45 WR Tappet Assembly Set 1941 / 1973 W

    V-TWIN MANUFACTURING
    Out of stock

    45 WR tappet assembly set features the competition type lifters that have shoes instead of roller needles for following cam. Sold as a set of fo...

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    $199.91 - $199.91
    $199.91
    $201.00
    $201.00 - $201.00
    $201.00
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